isFileExists 

Requires a Node.js runtime ('qsu/node')If a file or directory exists at the specified path, it returns true.
Parameters
filePath::string
Returns
Promise:boolean
Examples
javascript
await isFileExists('text.txt'); // true
await isFileExists('not-exist.txt'); // falsepython
isFileExists('text.txt') # True
isFileExists('not-exist.txt') # False